docs: def check_can_migrate(cls, resource):
          """Check if virtual machine can be migrated to another datacenter."""
          vm_id = cls.usable_id(resource)
          result = cls.call('hosting.vm.can_migrate', vm_id)
  
          if not result['can_migrate']:
              if result['matched']:
                  matched = result['matched'][0]
                  cls.echo('Your VM %s cannot be migrated yet. Migration will '
                           'be available when datacenter %s is opened.'
                           % (resource, matched))
              else:
                  cls.echo('Your VM %s cannot be migrated.' % resource)
              return False
  
          return True